syscall_emul.hh (13902:a43851662ce3) syscall_emul.hh (13907:3a7a5838ef50)
1/*
2 * Copyright (c) 2012-2013, 2015 ARM Limited
3 * Copyright (c) 2015 Advanced Micro Devices, Inc.
4 * All rights reserved
5 *
6 * The license below extends only to copyright in the software and shall
7 * not be construed as granting a license to any other intellectual
8 * property including but not limited to intellectual property relating

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749template <class OS>
750SyscallReturn
751ioctlFunc(SyscallDesc *desc, int callnum, Process *p, ThreadContext *tc)
752{
753 int index = 0;
754 int tgt_fd = p->getSyscallArg(tc, index);
755 unsigned req = p->getSyscallArg(tc, index);
756
1/*
2 * Copyright (c) 2012-2013, 2015 ARM Limited
3 * Copyright (c) 2015 Advanced Micro Devices, Inc.
4 * All rights reserved
5 *
6 * The license below extends only to copyright in the software and shall
7 * not be construed as granting a license to any other intellectual
8 * property including but not limited to intellectual property relating

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749template <class OS>
750SyscallReturn
751ioctlFunc(SyscallDesc *desc, int callnum, Process *p, ThreadContext *tc)
752{
753 int index = 0;
754 int tgt_fd = p->getSyscallArg(tc, index);
755 unsigned req = p->getSyscallArg(tc, index);
756
757 DPRINTF(SyscallVerbose, "ioctl(%d, 0x%x, ...)\n", tgt_fd, req);
757 DPRINTF_SYSCALL(Verbose, "ioctl(%d, 0x%x, ...)\n", tgt_fd, req);
758
759 if (OS::isTtyReq(req))
760 return -ENOTTY;
761
762 auto dfdp = std::dynamic_pointer_cast<DeviceFDEntry>((*p->fds)[tgt_fd]);
763 if (dfdp) {
764 EmulatedDriver *emul_driver = dfdp->getDriver();
765 if (emul_driver)

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2736{
2737 int index = 0;
2738 pid_t pid = p->getSyscallArg(tc, index);
2739 Addr statPtr = p->getSyscallArg(tc, index);
2740 int options = p->getSyscallArg(tc, index);
2741 Addr rusagePtr = p->getSyscallArg(tc, index);
2742
2743 if (rusagePtr)
758
759 if (OS::isTtyReq(req))
760 return -ENOTTY;
761
762 auto dfdp = std::dynamic_pointer_cast<DeviceFDEntry>((*p->fds)[tgt_fd]);
763 if (dfdp) {
764 EmulatedDriver *emul_driver = dfdp->getDriver();
765 if (emul_driver)

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2736{
2737 int index = 0;
2738 pid_t pid = p->getSyscallArg(tc, index);
2739 Addr statPtr = p->getSyscallArg(tc, index);
2740 int options = p->getSyscallArg(tc, index);
2741 Addr rusagePtr = p->getSyscallArg(tc, index);
2742
2743 if (rusagePtr)
2744 DPRINTFR(SyscallVerbose,
2745 "%d: %s: syscall wait4: rusage pointer provided however "
2744 DPRINTF_SYSCALL(Verbose, "wait4: rusage pointer provided %lx, however "
2746 "functionality not supported. Ignoring rusage pointer.\n",
2745 "functionality not supported. Ignoring rusage pointer.\n",
2747 curTick(), tc->getCpuPtr()->name());
2746 rusagePtr);
2748
2749 /**
2750 * Currently, wait4 is only implemented so that it will wait for children
2751 * exit conditions which are denoted by a SIGCHLD signals posted into the
2752 * system signal list. We return no additional information via any of the
2753 * parameters supplied to wait4. If nothing is found in the system signal
2754 * list, we will wait indefinitely for SIGCHLD to post by retrying the
2755 * call.

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2748 /**
2749 * Currently, wait4 is only implemented so that it will wait for children
2750 * exit conditions which are denoted by a SIGCHLD signals posted into the
2751 * system signal list. We return no additional information via any of the
2752 * parameters supplied to wait4. If nothing is found in the system signal
2753 * list, we will wait indefinitely for SIGCHLD to post by retrying the
2754 * call.

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